Home / 151,566.80-209,163.22-83,586.20

Finding the Fourth Proportional to 151,566.80, 209,163.22 and 83,586.20

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Solution

The fourth proportional to 151,566.80, 209,163.22 and 83,586.20 is: 115,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,566.80 : 209,163.22 = 83,586.20 : x
  2. Step 2: Convert to fraction form
    151,566.80/209,163.22 = 83,586.20/x
  3. Step 3: Cross multiply
    151,566.80x = 209,163.22 × 83,586.20
  4. Step 4: Simplify right side
    151,566.80x = 17,483,158,739.56
  5. Step 5: Solve for x
    x = 17,483,158,739.56/151,566.80
  6. Step 6: Final answer
    x = 115,349.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.